 | Average Precipitation mm (in) | 45.5 (1.79) | 42.4 (1.7) | 31.1 (1.2) | 25.9 (1) | 3.5 (0.1) | 1.1 (0) | 0.1 (0) | 0.2 (0) | 3 (0.1) | 25.8 (1) | 52.6 (2.1) | 60.7 (2.4) | | 291.9 (11.5) |
 | Precipitation Litres/m² (Gallons/ft²) | 45.5 (1.12) | 42.4 (1.04) | 31.1 (0.76) | 25.9 (0.64) | 3.5 (0.09) | 1.1 (0.03) | 0.1 (0) | 0.2 (0) | 3 (0.07) | 25.8 (0.63) | 52.6 (1.29) | 60.7 (1.49) | | 291.9 (7.16) |
 | Number of Wet Days (probability of rain on a day) | 6 (19%) | 4 (14%) | 4 (13%) | 3 (10%) | 1 (3%) | 0 (0%) | 0 (0%) | 0 (0%) | 1 (3%) | 3 (10%) | 4 (13%) | 5 (16%) | | 31 (9%) |
 | Percentage of Sunny (Cloudy) Daylight Hours | 74 (26) | 67 (33) | 77 (23) | 74 (26) | 72 (28) | 66 (34) | 68 (32) | 64 (36) | 68 (32) | 72 (28) | 68 (32) | 74 (26) | | 71 (29) |